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原题链接在这里：https://leetcode.com/problems/validate-binary-search-tree/ 题目： Given a binary tree, determine if it is a valid binary search tree (BST). Assum 阅读全文
posted @ 2015-09-10 23:05
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/recover-binary-search-tree/description/ 题目： T Two elements of a binary search tree (BST) are swapped by mistake. 阅读全文
posted @ 2015-09-10 07:04
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/ 题目： Given a binary tree Populate each next pointer to point to i 阅读全文
posted @ 2015-09-10 04:52
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/populating-next-right-pointers-in-each-node/ 题目： You are given a perfect binary tree where all leaves are on the 阅读全文
posted @ 2015-09-10 02:48
Dylan_Java_NYC
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原题链接在这里：https://leetcode.com/problems/binary-tree-right-side-view/ 题目： Given a binary tree, imagine yourself standing on the right side of it, return 阅读全文
posted @ 2015-09-10 02:16
Dylan_Java_NYC
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